新增普拉提训练系统的数据库结构和数据导入功能

- 创建普拉提分类和动作数据的SQL导入脚本，支持垫上普拉提和器械普拉提的分类管理
- 实现数据库结构迁移脚本，添加新字段以支持普拉提类型和器械名称
- 更新数据库升级总结文档，详细说明数据库结构变更和数据导入步骤
- 创建训练会话相关表，支持每日训练实例功能
- 引入训练会话管理模块，整合训练计划与实际训练会话的关系

src/workouts/dto/workout-session.dto.ts

@@ -0,0 +1,63 @@
+import { ApiProperty, PartialType } from '@nestjs/swagger';
+import { IsArray, IsBoolean, IsDateString, IsEnum, IsInt, IsNotEmpty, IsOptional, IsString, IsUUID, Min } from 'class-validator';
+import { WorkoutStatus } from '../models/workout-session.model';
+
+// 注意：训练会话由系统自动创建，不需要手动创建DTO
+
+export class StartWorkoutDto {
+  @ApiProperty({ description: '实际开始时间', required: false })
+  @IsDateString()
+  @IsOptional()
+  startedAt?: string;
+}
+
+// 注意：训练会话自动完成，不需要手动完成DTO
+
+export class UpdateWorkoutSessionDto {
+  @ApiProperty({ description: '训练总结', required: false })
+  @IsString()
+  @IsOptional()
+  summary?: string;
+
+  @ApiProperty({ description: '消耗卡路里', required: false })
+  @IsInt()
+  @Min(0)
+  @IsOptional()
+  caloriesBurned?: number;
+}
+
+export class WorkoutSessionResponseDto {
+  @ApiProperty() id: string;
+  @ApiProperty() userId: string;
+  @ApiProperty() trainingPlanId: string;
+  @ApiProperty() name: string;
+  @ApiProperty() scheduledDate: Date;
+  @ApiProperty({ required: false }) startedAt?: Date;
+  @ApiProperty({ required: false }) completedAt?: Date;
+  @ApiProperty({ enum: ['planned', 'in_progress', 'completed', 'skipped'] }) status: WorkoutStatus;
+  @ApiProperty({ required: false }) totalDurationSec?: number;
+  @ApiProperty({ required: false }) summary?: string;
+  @ApiProperty({ required: false }) caloriesBurned?: number;
+  @ApiProperty({ required: false }) stats?: {
+    totalExercises?: number;
+    completedExercises?: number;
+    totalSets?: number;
+    completedSets?: number;
+    totalReps?: number;
+    completedReps?: number;
+  };
+  @ApiProperty() createdAt: Date;
+  @ApiProperty() updatedAt: Date;
+
+  // 关联的训练计划信息
+  @ApiProperty({ required: false })
+  trainingPlan?: {
+    id: string;
+    name: string;
+    goal: string;
+  };
+
+  // 训练动作列表
+  @ApiProperty({ required: false, type: 'array' })
+  exercises?: any[];
+}